No gear, only an individual mind focused on two phrases; "not to be found" and "return with honor". Imagine a situation where the psyche and physical strength are lead to the limit of human knowledge; survival stress and emotions like anger, thirst, hunger, delusion, extreme fatigue, abandonment, solitude... all these emotions sum together and divide by one man - you, than multiply all by the fear of being found. Welcome to the world of "heroes of suffering!